TASK 73-22-49-300-004 Fuel System Sensing Air Tubes - Replace The Tube Coupling Nut For The EEC P2.5 And P12.5 Pressure Air Tubes, Repair-004 (VRS6226)

DMC:V2500-A0-73-22-4900-04A-920A-C|Issue No:001.00|Issue Date:2013-11-01

Export Control

EAR Export Classification: Not subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3), except for the following Service Bulletins which are currently published as EAR Export Classification 9E991: SBE70-0992, SBE72-0483, SBE72-0580, SBE72-0588, SBE72-0640, SBE73-0209, SBE80-0024 and SBE80-0025.

Copyright

© IAE International Aero Engines AG (2001, 2014 - 2021) The information contained in this document is the property of © IAE International Aero Engines AG and may not be copied or used for any purpose other than that for which it is supplied without the express written authority of © IAE International Aero Engines AG. (This does not preclude use by engine and aircraft operators for normal instructional, maintenance or overhaul purposes.).

Applicability

All

Common Information

TASK 73-22-49-300-004 Fuel System Sensing Air Tubes - Replace The Tube Coupling Nut For The EEC P2.5 And P12.5 Pressure Air Tubes, Repair-004 (VRS6226)

Effectivity

FIG/ITEM

PART NO.

09-100

6A2133

Assembly A

09-500

6A2122

Assembly B

10-500

6A1692

Assembly A

11-100

6A1693

Assembly A

12-100

6A2135

Assembly A

Material of component

PART IDENT

SYMBOL

MATERIAL

Tube coupling nut

-

Corrosion resistant steel

Thrust wire

-

Corrosion resistant steel

General

Price and availability

Refer to International Aero Engines

This repair must only be done when the instruction to do so is given in Inspection-000 TASK 73-22-49-200-100.

The practices and processes referred to in the procedure by the TASK/SUBTASK numbers are given in the SPM.

NOTE

To identify the consumable materials, refer to the PCI.

NOTE

Equivalent materials or equipment can be used.
More equipment and materials necessary to do this Repair are in: SPM TASK 70-23-05-230-501.

Repair parts

FIG/ITEM

PART NO.

PART IDENT

QTY

09-200

AS15777

Thrust wire assembly A

1

09-201

AS15701

Tube coupling nut assembly A

1

09-600

AS15777

Thrust wire assembly B

2

09-601

AS15701

Tube coupling nut assembly B

2

10-600

AS15777

Thrust wire assembly A

1

10-601

AS15701

Tube coupling nut assembly A

1

11-200

AS15777

Thrust wire assembly A

1

11-201

AS15701

Tube coupling nut assembly A

1

12-200

AS15777

Thrust wire assembly A

1

12-201

AS15701

Tube coupling nut assembly A

1

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Chemical cleaning equipmentLOCALChemical cleaning equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Standard Workshop EquipmentLOCALStandard Workshop Equipment
Small hacksawLOCALSmall hacksaw
Portable grinding machineLOCALPortable grinding machine

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)LOCALCoMat 06-022

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 73-22-49-110-069 Chemically Clean

      1. Chemically clean

      1. Refer to Cleaning-000 TASK 73-22-49-100-100.

    2. SUBTASK 73-22-49-230-069 Do a Crack Test

      1. Do a penetrant crack test

      1. Refer to Inspection-000 TASK 73-22-49-200-100.

    3. SUBTASK 73-22-49-350-051 Remove the Damaged Tube Coupling Nut and Thrust Wire

    1. Refer to Figure.

      2. Attach the damaged nut to the adaptor and secure

      1. Use a locally made threaded adaptor with Standard Workshop Equipment.

      2. Make sure the nut does not move

      3. Cut through the nut to show the thrust wire

      2. Do not damage the tube.

      4. Remove the thrust wire and the part of the nut that remains

    5. Make a visual inspection of the thrust wire seating.

    4. SUBTASK 73-22-49-350-052-A00 Install the New Tube Coupling Nut and Thrust Wire, Assembly A

    1. Refer to Figure.

      2. Attach the new nut to the adaptor and secure

      1. Use nut, tube coupling, 09-201, 1 off, nut, tube coupling, 10-601, 1 off, nut tube coupling, 11-201, 1 off or nut, tube coupling, 12-201, 1 off.

      2. Use a locally made threaded adaptor with Standard Workshop Equipment.

    3. Install the tube in to the new nut

      4. Install the new thrust wire

      1. Use wire, thrust, 09-200, 1 off, wire, thrust, 10-600, 1 off, wire, thrust, 11-200, 1 off or wire, thrust, 12-200, 1 off.

    5. SUBTASK 73-22-49-350-052-B00 Install the New Tube Coupling Nut and Thrust Wire, Assembly B

    1. Refer to Figure.

      2. Attach the new nut to the adaptor and secure

      1. Use nut, tube coupling, 09-601, 2 off.

      2. Use a locally made threaded adaptor with Standard Workshop Equipment.

    3. Install the tube in to the new nut

      4. Install the new thrust wire

      1. Use wire, thrust, 09-600, 2 off.

    6. SUBTASK 73-22-49-220-126 Examine

      1. Visually examine the new tube coupling nut and thrust wire

      1. Make sure the nut can move freely.

    7. Figure: Replace the Tube Coupling Nut

    Replace the Tube Coupling Nut

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:X222X
Supply Number:CoMat 06-022
Type:sp01
Supply Short Name:CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)
Supply Name:CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)
Specification Groups:
Doc NumberType
ARDROX 985-P14 OMAT: 652 (CHEMETALL OAKITE 985-P14)It is not permitted to mix the selected CoMat 06‐022 letter suffix material with other CoMat 06‐022 letter suffix materials. Where CoMat 06‐022 is specified with no suffix, use one of the CoMat 06‐ 022 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Tool Number:Chemical cleaning equipment
Tool Name:Chemical cleaning equipment
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Manufacturer Code:LOCAL
Tool Number:Portable grinding machine
Tool Name:Portable grinding machine
Manufacturer Code:LOCAL
Tool Number:Small hacksaw
Tool Name:Small hacksaw
Manufacturer Code:LOCAL
Tool Number:Standard Workshop Equipment
Tool Name:Standard Workshop Equipment